Introduction to Criminal Justice is a multi-touch iBook that explores the three components of the American criminal justice system: police, courts, and corrections. The textbook is divided into eight chapters. Chapters 1 and 2 introduce students to an overview of the criminal justice system, including what constitutes a crime and which defenses absolve a person from liability. Chapters 3 and 4 focus on the constitutional rights of the accused, and the functions, philosophies, and contemporary issues related to law enforcement. Chapters 5 and 6 explain the administration of justice through the court system, including the rationales for punishment. Chapters 7 and 8 detail various forms of corrections: jails, prisons, intermediate sanctions, and probation.